All kinds of needle rollers with flat ends,sharp ends and round ends. Welcome to contact us for more details. bearing needle rollerName:PIN Needle Rollers size:3x23.8Material standard: GCr 15Hardness standard: HRC58-65Grade:G1,G2,G3End surface shape: round, flatSurface finishing: polish-grind,superfinish grinding Needle roller,cylindrical roller,bearing roller,size:3x23.8 round end